---
title: "4,4'-Bipyridine (553-26-4): exposure limits and sampling"
url: https://analyt-mtc.com/tools/hazard-search/4-4-bipyridine-553-26-4/
lang: en
alternates:
  en: https://analyt-mtc.com/tools/hazard-search/4-4-bipyridine-553-26-4/
  de: https://analyt-mtc.com/de/tools/gefahrstoffsuche/4-4-bipyridine-553-26-4/
---

Hazard search

# 4,4'-Bipyridine

CAS number

553-26-4

Also known as

4,4'-Bipyridine (vapor & aerosol) · 4,4'-Dipyridyl · γ,γ'-Dipyridyl

## UK workplace exposure limits

Our data hold no UK limit for this substance.

## Sampling methods

| Method | Sampling | Medium | Analysis | Part numbers |
| --- | --- | --- | --- | --- |
| **Non-agency 26** | Active (pump) |  | HPLC | [226-30-05](https://analyt-mtc.com/catalog/product/skc-xad-sorbent-tubes/#part-226-30-05) / [225-706](https://analyt-mtc.com/catalog/product/glass-fibre-depth-filters/#part-225-706) / [225-1](https://analyt-mtc.com/catalog/product/aluminium-respirable-dust-cyclone/#part-225-1) |

Methods and limits as published by their agencies and summarised by SKC; check the current method and the limit that applies to you before sampling.

Source: [SKC Ltd (UK), Hazard Search, used with SKC's permission (opens in a new tab)](https://www.skcltd.com/hazard-search.html); [SKC Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)](https://international.skcinc.com/sampling-guides/)